Fully Automated Three-dimensional Crack Modelling Using Tetrahedral Finite Element
Producing structured mesh at the immediate vicinity of the crack front for three-dimensional(3D)crack modelling is a very time consuming and difficult task.A geometry feature based method for 3D crack modelling based on virtual crack closure-integral ...
GAO Wen, WANG Shengnan
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Evaluating stress intensity factors due to weld residual stresses by the weight function and finite element methods [PDF]
This paper presents a study on the application of the weight function and finite element methods to evaluate residual stress intensity factors in welded test samples.
Yahaya, N. A. +5 more
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A novel weight function for RMS stress intensity factor determination in surface cracks [PDF]
This paper discusses the problem of stress intensity factor determination in surface cracks. In particular, the concept of root mean square stress intensity factors (RMS SIF) is discussed for the general class of semi-elliptical surface cracks.
Brennan, Feargal P. +1 more
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Stress intensity factors computation for bending plates with extended finite element method [PDF]
The modelization of bending plates with through-the-thickness cracks is investigated. We consider the Kirchhoff–Love plate model, which is valid for very thin plates.
Salaün, Michel +2 more
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This paper deals with the effect of adhesion layer and material combination on the stress intensity factor for small edge interface crack in butt joint plate under uniaxial tension.
Kazuhiro ODA +3 more
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This is the first part of a short three-paper series, aiming to revisit some classical concepts of Linear Elastic Fracture Mechanics. The motive of this first paper is to highlight some controversial issues, related to the unnatural overlapping of the ...
Christos F. Markides +1 more
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Stress intensity factors for mixed-mode crack growth in imitation models under biaxial loading
In this paper, a procedure to calculate stress intensity factors for imitation models of titanium alloys is proposed. Fatigue cracks are detected in a disk and blade dovetail type attachment in service.
R.R. Yarullin +3 more
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A modelling technique for calculating stress intensity factors for structures reinforced by bonded straps. Part I: Mechanisms and formulation [PDF]
This paper describes a 2D FE modelling technique for predicting fatigue crack growth life of integral structures reinforced by bonded straps. This kind of design offers a solution to the intrinsic lack of damage tolerance of integral structures.
Boscolo, Marco, Zhang, Xiang
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An inverse method for evaluating weld residual stresses via fatigue crack growth test data [PDF]
This paper presents an inverse method for calculating the thermal residual stresses in welded specimens via measured fatigue crack growth rates. Firstly, fracture-mechanics superposition law has been used to extract the stress intensity factor due to ...
Rui Bao +3 more
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Computation of stress intensity factors by the compliance approach
A numerical method based on compliance approach is presented for analyzing an isotropic homogeneous sheet enclosing a crack. The method calculates the strain energy release rate and determines the stress intensity factors KI and KII.
Sameer A. Hamoush, Hisham Abdel-Fattah
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